4626021564641 has 4 divisors (see below), whose sum is σ = 4643611000512. Its totient is φ = 4608432128772.

The previous prime is 4626021564607. The next prime is 4626021564649. The reversal of 4626021564641 is 1464651206264.

It is a semiprime because it is the product of two primes, and also a Blum integer, because the two primes are equal to 3 mod 4.

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-4626021564641 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (4626021564649) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 8794717541 + ... + 8794718066.

It is an arithmetic number, because the mean of its divisors is an integer number (1160902750128).

Almost surely, 2^{4626021564641} is an apocalyptic number.

It is an amenable number.

4626021564641 is a deficient number, since it is larger than the sum of its proper divisors (17589435871).

4626021564641 is a wasteful number, since it uses less digits than its factorization.

4626021564641 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 17589435870.

The product of its (nonzero) digits is 1658880, while the sum is 47.

The spelling of 4626021564641 in words is "four trillion, six hundred twenty-six billion, twenty-one million, five hundred sixty-four thousand, six hundred forty-one".